Définition conservation | dictionnaire anglais définition synonymes Reverso

Collins

conservation  


      n  
1    the act or an instance of conserving or keeping from change, loss, injury, etc.  
2   
a    protection, preservation, and careful management of natural resources and of the environment  
b    (as modifier)  
a conservation area     
  conservational      adj  


conservation of charge  
      n   the principle that the total charge of any isolated system is constant and independent of changes that take place within the system  
conservation of energy  
      n   the principle that the total energy of any isolated system is constant and independent of any changes occurring within the system  
conservation of mass  
      n   the principle that the total mass of any isolated system is constant and is independent of any chemical and physical changes taking place within the system  
conservation of momentum  
      n   the principle that the total linear or angular momentum in any isolated system is constant, provided that no external force is applied  
conservation of parity  
      n   the principle that the parity of the total wave function describing a system of elementary particles is conserved. In fact it is not conserved in weak interactions  
soil conservation  
      n   the preservation of soil against deterioration or erosion, and the maintenance of the fertilizing elements for crop production  
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Collins

conservation  

  
custody, economy, guardianship, husbandry, maintenance, preservation, protection, safeguarding, safekeeping, saving, upkeep  

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